CN105717271B - A kind of ocean gas hydrate solid state fluidizing extracting experiment circuit system - Google Patents

A kind of ocean gas hydrate solid state fluidizing extracting experiment circuit system Download PDF

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Publication number
CN105717271B
CN105717271B CN201610139992.5A CN201610139992A CN105717271B CN 105717271 B CN105717271 B CN 105717271B CN 201610139992 A CN201610139992 A CN 201610139992A CN 105717271 B CN105717271 B CN 105717271B
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gas
pipeline
reactor
pressure
defeated
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CN105717271A (en
Inventor
赵金洲
刘艳军
江磊磊
周守为
张弭
郭平
王国荣
李清平
黄志强
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Southwest Petroleum University
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Southwest Petroleum University
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Priority to US15/454,801 priority patent/US10100264B2/en
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    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L3/00—Gaseous fuels; Natural gas; Synthetic natural gas obtained by processes not covered by subclass C10G, C10K; Liquefied petroleum gas
    • C10L3/06—Natural gas; Synthetic natural gas obtained by processes not covered by C10G, C10K3/02 or C10K3/04
    • C10L3/10—Working-up natural gas or synthetic natural gas
    • C10L3/108—Production of gas hydrates
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L3/00—Gaseous fuels; Natural gas; Synthetic natural gas obtained by processes not covered by subclass C10G, C10K; Liquefied petroleum gas
    • C10L3/06—Natural gas; Synthetic natural gas obtained by processes not covered by C10G, C10K3/02 or C10K3/04
    • C10L3/10—Working-up natural gas or synthetic natural gas
    • C10L3/107—Limiting or prohibiting hydrate formation
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L2290/00—Fuel preparation or upgrading, processes or apparatus therefore, comprising specific process steps or apparatus units
    • C10L2290/10—Recycling of a stream within the process or apparatus to reuse elsewhere therein
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L2290/00—Fuel preparation or upgrading, processes or apparatus therefore, comprising specific process steps or apparatus units
    • C10L2290/58—Control or regulation of the fuel preparation of upgrading process
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L2290/00—Fuel preparation or upgrading, processes or apparatus therefore, comprising specific process steps or apparatus units
    • C10L2290/60—Measuring or analysing fractions, components or impurities or process conditions during preparation or upgrading of a fuel

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  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Food Science & Technology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Physics & Mathematics (AREA)
  • Medicinal Chemistry (AREA)

Abstract

The present invention provides a kind of ocean gas hydrate solid state fluidizing extracting experiment circuit system, including：Gas hydrates sample largely quickly prepares module, gas hydrates multiple dimensioned broken and slurry fidelity shift module, gas hydrate slurry body pipe defeated characteristic test module, data acquisition and monitoring and 4 modules of safety control module.Gas hydrates experimental loop device provided by the invention, available for the synthesis of gas hydrates, decomposition, gas storage rate, balance each other and research and manage defeated flow resistance, Research on Heat Transfer Characteristics, for blockage problem of the solution natural gas tube during defeated, gas hydrates accumulating, ocean gas hydrate solid state fluidizing is exploited and its to manage defeated experimental simulation significant.

Description

A kind of ocean gas hydrate solid state fluidizing extracting experiment circuit system
Technical field
It is hydrated the present invention relates to exploitation of gas hydrates and its using technical field, more particularly to a kind of ocean natural gas Thing solid state fluidizing extracting experiment circuit system.
Background technology
Gas hydrates are a kind of non-stoichiometric supermolecule cage compounds, 1m3Hydrate can store 160~ 180m3Natural gas, have have a very wide distribution, into the characteristics of Tibetan scale is big, energy storage density is high, it is important to be acknowledged as 21 century Alternative energy source.At present, the lab simulation based on recovery methods such as traditional heat injection, decompression, injectings is opened up in worldwide Open.But exploitation of gas hydrates basic theories, potential security risk, environmental risk and cost risk not yet solve, technology Bottleneck is still broken through without basic.Therefore, the flowing in the duct of researching natural gas hydrate and heat-transfer character, to marine natural air water The exploitation of compound has strategic importance.
The content of the invention
It is an object of the invention in view of the above-mentioned problems, providing a kind of ocean gas hydrate solid state fluidizing extracting experiment Circuit system.
A kind of ocean gas hydrate solid state fluidizing extracting experiment circuit system, including：Gas hydrates sample is big The quick preparation module of amount, gas hydrates multiple dimensioned broken and slurry fidelity shift module, gas hydrate slurry body pipe are defeated Characteristic test module, data acquisition and monitoring and 4 modules of safety control module；Wherein,
The gas hydrates sample, which largely quickly prepares module, to be included：Gas transfer pipeline, liquid transmission pipeline, spray Shower device, bubbling device, agitating device；
Wherein, the gas transfer pipeline is used to the gas in gas cylinder being delivered in reactor；The pipeline is by gas cylinder Outlet is connected by pipeline with the gas access a of reactor bottom；
The liquid transmission pipeline is used to the water of water tank being delivered in reactor；Liquid delivery tube route water tank goes out Mouth is connected by pipeline with reactor liquid phase entrance c, plunger pump should be provided with connecting pipeline；
The spray equipment includes：Spray thrower is provided with the top of reactor, the spray thrower passes through pipeline and reactor Liquid phase entrance c is connected, and liquid circulation pump is provided with the pipeline of the connection；
The bottom that the bubbling device is included in reactor is provided with bubbler；
The agitating device is provided with agitator in the reactor, and the stirring of the agitator crushes oar using propulsion oar Leaf form, and broken tooth cone is installed below blade；
The multiple dimensioned broken and slurry fidelity shift module of the gas hydrates includes：Mixed including gas hydrates Phase fidelity migration pipeline and water route two parts；Wherein, the gas hydrates mixed phase fidelity migration pipeline is mixed by reactor Mutually outlet i is closed to connect with the entrance of circulating pump by pipeline；The water route passes through pipeline and the entrance of circulating pump by water tank Connection, the two parts are connected after further being mixed by circulating pump with the defeated characteristic test module of gas hydrate slurry body pipe；
The defeated characteristic test module of gas hydrate slurry body pipe includes the defeated loop of vertical tube, the defeated loop of horizontal tube and height Press transparent visual pipe；
The defeated loop of vertical tube includes the vertical duct set with the outlet of circulating pump；The defeated loop of horizontal tube Including the horizontal pipeline with the setting of the outlet of circulating pump；It is respectively provided with the defeated loop of the vertical tube, horizontal tube on defeated loop There are online particle size measuring instrument, pipeline heater and high pressure transparent visual pipe；
The data acquisition includes computer with monitoring and safety control module, and the resistivity being connected with computer is surveyed Measure point C, pressure measurement point P, temperature measuring point T, level gauging point L, single-phase, multiphase flowmeter measurement point F, motor ginseng Number measurement point M.
Further, ocean gas hydrate solid state fluidizing extracting experiment circuit system as described above, the gas Transfer pipeline includes being used to unreacted gas in reactor passing through gas circulator pump from the gas vent b on reactor top Go out and circulate the gas bypassing regulation circulation loop for the gas access a for being pumped into reactor bottom.
Further, ocean gas hydrate solid state fluidizing extracting experiment circuit system as described above, the gas Bypass regulation circulation loop is provided with the gas shield circulation loop for being used for protective gas circulating pump all the way, and body protection is recycled back to Route is sequentially connected with lower component to be formed：Gas circulation pump discharge, the second regulating valve, the 4th pressure indicator, the 4th temperature refer to Show device, the 4th regulating valve, first gas flowmeter, second pressure indicator, second temperature indicator, gas circulation pump intake.
Further, ocean gas hydrate solid state fluidizing extracting experiment circuit system as described above, the spray Device includes being used for all the way protecting the protection circulation loop of liquid circulation pump, the protection circulation loop specifically by with lower component according to It is secondary to connect and compose：Liquid circulation pump discharge, the 7th regulating valve, the 7th temperature indicator, the 17th pressure indicator, the first liquid Flowmeter, the 9th regulating valve, the 6th temperature indicator, the 16th pressure indicator, liquid circulation pump intake.
Further, ocean gas hydrate solid state fluidizing extracting experiment circuit system as described above, it is described natural Gas hydrate sample, which largely quickly prepares module, to be included being used to make the pressure inside reactor to be in constant or required Voltage stabilizing pipeline under pressure condition；The voltage-stabiliser tube route liquid phase pipeline and the part of gas phase pipeline 2 is formed；
Wherein, liquid phase pipeline is buffered liquid phase entrance d, liquid-phase outlet e, the second row of pot bottom by water tank, plunger pump, voltage stabilizing Water valve is sequentially connected composition by pipeline；
The gas phase pipeline is gone out by the gas phase of the outlet of gas cylinder, the gas phase entrance f on voltage stabilizing surge tank top, voltage stabilizing surge tank Mouth g, the gas access a of reactor bottom are sequentially connected composition by pipeline.
Further, ocean gas hydrate solid state fluidizing extracting experiment circuit system as described above, described steady Vavuum pump is also associated with pressure surge tank.
Further, ocean gas hydrate solid state fluidizing extracting experiment circuit system as described above, it is described natural Gas hydrate mixed phase fidelity migration pipeline also includes the filter screen for being arranged on reactor mixed phase outlet i.
Further, ocean gas hydrate solid state fluidizing extracting experiment circuit system as described above, gas water The multiple dimensioned broken and slurry fidelity shift module of compound also includes pressure balance signal piping all the way, and the pipeline is used to ensure in day Right gas hydrate mixed phase with water before mixing, gas hydrates mixed phase fidelity migration pipeline, gas hydrate slurry Pressure after gas hydrates are largely quickly prepared in the defeated pipeline of body pipe and reactor is consistent；
The pressure balance signal piping is migrated pipeline by outlet e and the gas hydrates mixed phase fidelity of voltage stabilizing surge tank Composition is connected with the cross-connection point in water route.
Further, ocean gas hydrate solid state fluidizing extracting experiment circuit system as described above, it is described natural The defeated characteristic test module of gas hydrate slurry pipe also includes being used for the guarantor for protecting the defeated loop of vertical tube and the defeated loop of horizontal tube all the way Pillar road, the pipeline are formed by being sequentially connected with lower component：
Circulating-pump outlet, the 19th pressure indicator, the 13rd regulating valve, the 11st regulating valve, the 3rd fluid flowmeter, Pressure regulator, loop head.
Further, ocean gas hydrate solid state fluidizing extracting experiment circuit system as described above, in the water The flat defeated loop of pipe on the crosspoint in the defeated loop of vertical tube with being also associated with three phase separator.
The present invention is used for gas hydrates synthesis, decomposition, gas storage rate, the characteristic that balances each other and its flowing in the duct Resistance and heat-transfer character are studied, and explore gas hydrates large scale mining, the scheme of accumulating, solve current marine natural It is theoretical in gas hydrate recovery process to lack, technology and theories integration are provided for the exploitation and transport of ocean gas hydrate, So as to promote the process of industrialization of exploiting ocean natural gas hydrates
Brief description of the drawings
Fig. 1 is ocean gas hydrate solid state fluidizing extracting experiment circuit system structure chart of the present invention；
Fig. 2 data acquisitions of the present invention and monitoring and safety control module structure chart.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below technical scheme in the present invention carry out it is clear Chu, it is fully described by, it is clear that described embodiment is part of the embodiment of the present invention, rather than whole embodiments.It is based on Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made Embodiment, belong to the scope of protection of the invention.
As shown in Figures 1 and 2, the invention provides a kind of ocean gas hydrate solid state fluidizing extracting experiment loop system System, the system largely quickly prepare the multiple dimensioned broken and slurry of module, gas hydrates including gas hydrates sample and protected True shift module, gas hydrate slurry body pipe defeated characteristic test module, data acquisition and monitoring and 4 big mould of safety control module Block, wherein：
Gas hydrates sample largely quickly prepares module and delayed including gas cylinder 118, reactor 115, water tank 113, voltage stabilizing Rush tank 117, gas circulator 111, liquid circulation pump 114, reactor refrigeration unit 123, voltage stabilizing surge tank refrigeration unit 120, Liquid level gauge and multiple stop valves, regulating valve, flowmeter (air-liquid), temperature indicator, pressure indicator；The bottom of reactor 115 Portion is provided with bubbler 122, and its underpart offers gas phase entrance a and is connected by gas circulator 111 with gas cylinder 118, reactor 115 Top is provided with spray thrower 1151 and is connected by liquid circulation pump 114 and liquid circulation line with water tank 113, its reactor 115 Inside is additionally provided with agitator 119, and the top of reactor 115 is additionally provided with gaseous phase outlet b and gas circulator 111 and gas circulation line Connection；The bottom of voltage stabilizing surge tank 117 opens up liquid phase entrance d and is connected by plunger pump 112 with water tank 113, voltage stabilizing surge tank 117 tops open up gas phase entrance f, gaseous phase outlet g, and the gas phase entrance with gas cylinder 118, reactor bottom is connected respectively, wherein, surely Pressure surge tank 117 is also connected with vavuum pump 116；Especially, reactor is provided with electric heater unit, cooling water with voltage stabilizing buffering tank wall Chuck is simultaneously connected with refrigeration unit.
Specifically, the gas hydrates sample, which largely quickly prepares module, includes gas transfer pipeline, gas bypassing Adjust 5 circulation loop, liquid transmission pipeline, bypass Sprayer Circulation loop, voltage stabilizing pipeline parts；
Wherein, the gas transfer pipeline is used to the gas in gas cylinder 118 being delivered in reactor 115；The pipeline by It is sequentially connected and is formed with lower component：Gas cylinder 118, the 6th pressure indicator P-106, the first stop valve V-101, the first regulating valve CV-102, first pressure indicator P-101, the first temperature indicator T-101, the 4th stop valve V-104, second pressure indicator P-102, second temperature indicator T-102, gas circulator 111, the second regulating valve CV-105, the 4th pressure indicator P-104, 4th temperature indicator T-104, the 3rd regulating valve CV-108, second gas flowmeter F-102, the 6th stop valve V-110, reaction The gas access a of the bottom of kettle 115；
Gas bypassing regulation circulation loop is used for unreacted gas in reactor 115 from the gas on reactor top Body outlet b pumps out and circulated the gas access a for being pumped into the bottom of reactor 115 by gas circulator 111；The gas circulation loop Specifically formed by being sequentially connected with lower component：The gas vent b on reactor top, third gas flowmeter F-103, the 5th cut-off Valve V-112, second pressure indicator P-102, second temperature indicator T-102, gas circulator 111, the second regulating valve CV- 105th, the 4th pressure indicator P-104, the 4th temperature indicator T-104, the 3rd regulating valve CV-108, second gas flowmeter F- 102nd, the 6th stop valve V-110, the gas access a of the bottom of reactor 115；
Preferably, in order to ensure that gas circulator 111 normally can safely be run, the present invention is also gas circulator 111 are provided with the gas shield circulation loop for being used for protective gas circulating pump all the way；The gas shield circulation loop is by with bottom Part is sequentially connected composition：Gas circulator 111 exports, the second regulating valve CV-105, the 4th pressure indicator P-104, the 4th temperature Spend indicator T-104, the 4th regulating valve CV-109, first gas flowmeter F-101, second pressure indicator P-102, the second temperature Spend indicator T-102, the entrance of gas circulator 111.
The liquid transmission pipeline is used to the water of water tank 113 being delivered in reactor 115；The liquid transmission pipeline is specific Formed by being sequentially connected with lower component：Water tank 113, the 7th stop valve V-201, plunger pump 112, the 5th regulating valve CV-204, Eight stop valve V-205, reactor liquid phase entrance c；
Further, in order to which larger fluid and the response area of gas, the present invention are also provided with spray at the top of reactor Shower device, accelerate the synthesis of natural gas hydrate by bypassing Sprayer Circulation loop；The bypass Sprayer Circulation loop specifically by It is sequentially connected and is formed with lower component：Reactor liquid phase entrance c, the 9th stop valve V-212, the 6th regulating valve CV-206, the 6th temperature Degree indicator T-201, the 16th pressure indicator P-201, liquid circulation pump 114, the 7th regulating valve CV-208, the 7th temperature refer to Show device T-202, the 17th pressure indicator P-202, second liquid flowmeter F-202, the 8th regulating valve CV-209, the tenth cut-off Valve V-211, the spray thrower 1151 on the top of reactor 115.
Preferably, in order to ensure the safe normal operation of the liquid circulation pump 114, the present invention is also liquid circulation pump 114 are devised and protect circulation loop all the way, and the protection circulation loop is specifically formed by being sequentially connected with lower component：Liquid circulation pump 114 outlets, the 7th regulating valve CV-208, the 7th temperature indicator T-202, the 17th pressure indicator P-202, the first liquid flow Gauge F-201, the 9th regulating valve CV-207, the 6th temperature indicator T-201, the 16th pressure indicator P-201, liquid circulation The entrance of pump 114.
The voltage stabilizing pipeline is used to making pressure inside reactor to be in constant or under required pressure condition；Should Voltage stabilizing pipeline includes liquid phase pipeline and the part of gas phase pipeline 2；Wherein liquid phase pipeline is formed by being sequentially connected with lower component：Water tank 113rd, the 7th stop valve V-201, plunger pump 112, the 18th pressure indicator P-203, the 11st stop valve V-202, voltage stabilizing are delayed Rush the liquid phase entrance d, liquid-phase outlet h, the second draining valve V-203 of the bottom of tank 117；The gas phase pipeline by being connected successively with lower component Connect composition：Gas cylinder 118, the 6th pressure indicator P-106, the first stop valve V-101, the first regulating valve CV-102, the 3rd cut-off Valve V-103, the gas phase entrance f on the top of voltage stabilizing surge tank 117, the gaseous phase outlet g of voltage stabilizing surge tank 117, the 6th stop valve V- 106th, the 3rd regulating valve CV-108, second gas flowmeter F-102, the 6th stop valve V-110, the gas of the bottom of reactor 115 Entrance a；The liquid phase pipeline of the voltage stabilizing pipeline is used for liquid is injected in voltage stabilizing surge tank, and gas phase pipeline is used to give voltage stabilizing surge tank Interior injection gas, then when liquid level gradually rises, while as the increase of gas in tank, the gas of tank body are gradual in liquid level Under the trend of rising, its internal pressure gradually increases；During insufficient pressure inside reactor, it is possible to buffered by voltage stabilizing Tank gaseous phase outlet g provides certain gas for reactor；Or by plunger pump 112 from water tank 113 pump into voltage stabilizing surge tank Enter water, to increase the pressure of voltage stabilizing surge tank 117 and reactor 115；When the pressure abundance in reactor, it is possible to pass through Two draining valve V-203 discharge the water inside voltage stabilizing surge tank, so as to reduce the pressure in tank；Or by vavuum pump 116 come Reduce the pressure in voltage stabilizing surge tank.
The present invention is also provided with the 3rd temperature indicator T-103, the second safety valve V- on the voltage stabilizing surge tank 117 107th, the 3rd pressure indicator P-103, the first fluid level indicator L-101.
Further, the present invention is provided with voltage stabilizing surge tank refrigeration unit 120, the system on the voltage stabilizing surge tank 117 The both ends of cold group 120 are connected to freeze for it respectively with the periphery of voltage stabilizing surge tank 117；In the refrigeration unit 120 and voltage stabilizing The 22nd stop valve V-403, the 23rd stop valve V-404 are respectively arranged between surge tank 117 on pipeline.
Further, vavuum pump 116 is also associated with the voltage stabilizing surge tank 117, is buffered in vavuum pump 116 and voltage stabilizing The 7th pressure indicator P-301, the 18th stop valve V-301 are provided with pipeline between tank 117.
Further, agitator 119 is installed in the reactor 115, the stirring of the agitator 119 crushes oar and used Blade form is promoted, the purpose is to the contact area for increasing gas and liquid, so as to accelerate the synthesis of gas hydrates, And broken tooth cone is installed below blade, gas hydrates to be broken in the multiple dimensioned shattering process of gas hydrates The gas hydrates solid mass of required particle diameter when being broken into the transfer of slurry fidelity.
Further, the bottom in reactor 115 is provided with bubbler 122, the bubbler 122 be used for increase gas with The contact area of liquid, so as to accelerate the synthesis of gas hydrates.
More than being based on, the present invention is when preparing synthesis of natural gas hydrate, not only by gas from the bottom of reactor It is passed through to be reacted come the liquid internal with it and carrys out synthesis of natural gas hydrate, and in order to accelerate synthesis of natural gas hydrate Efficiency, the present invention increases the contact area of gas and liquid by way of stirring, bubbling and spray, so as to accelerate day The synthesis of right gas hydrate.
Further, be additionally provided with reactor 115 second fluid level indicator L-102, resistivity indicator C-101, 5th temperature indicator T-105, the 5th pressure indicator P-105 measure the real-time status of reactor.
Further, filter screen 1152 is provided with the mixed phase outlet i of reactor 115, the filter screen 1152 is used to filter not Reach gas hydrate fidelity migration and manage the gas hydrates solid mass of defeated demand particle diameter, and carry out secondary broken It is broken, until reach meet gas hydrate fidelity migration and manage it is defeated needed for untill particle size, and reach to prevent from blocking and manage The purpose on road.
Further, reactor refrigeration unit 123 is provided with reactor 115, the two of the reactor refrigeration unit 123 End is connected with the periphery of reactor 115 respectively, on the pipeline between the reactor refrigeration unit 123 and reactor 115 respectively It is provided with the 24th stop valve V-401, the 25th stop valve V-402.
Further, the first draining valve V-210 is provided with reactor liquid phase entrance c connecting line；In reactor Exhaust-valve V-111 is provided with gaseous phase outlet b connecting line.
The gas hydrates are multiple dimensioned broken and slurry fidelity shift module includes water tank 113, reactor 115, steady Press surge tank 117, filter screen 1152 and multiple stop valves, regulating valve, flowmeter (gas, liquid, solid multiphase), temperature indicator, pressure Indicator；Wherein, fidelity migration pipeline is connected with reactor 115, voltage stabilizing surge tank 117 respectively by filter screen 1152, plunger pump 112 Connect；Gas hydrates mixed phase after the broken stirring of reactor further mixes through fidelity migration pipeline with the water from water tank It is connected afterwards by circulating pump 121 (using more single-screw (single screw) pump parallel connections) with the defeated attribute testing platform of gas hydrates pipe；Especially Ground, the hydrate in reactor crush agitating paddle selection and promote blade form, and broken tooth cone is installed below blade.
Specifically, the multiple dimensioned broken and slurry fidelity shift module of the gas hydrates mixes including gas hydrates Close phase fidelity migration pipeline and water route two parts；Wherein, the gas hydrates mixed phase fidelity migrates pipeline by with bottom Part is sequentially connected composition：Filter screen 1152, reactor mixed phase outlet i, the 19th stop valve V-503, the 4th fluid flowmeter F- 501st, the entrance of circulating pump 121；The water route is formed by being sequentially connected with lower component：Water tank 113, the 7th stop valve V-201, post Fill in pump 112, the 5th regulating valve CV-204, the 12nd stop valve V-502, the entrance of circulating pump 121.The two parts pass through circulating pump It is connected after 121 further mixing with the defeated characteristic test module of gas hydrate slurry body pipe.
Preferably, the multiple dimensioned broken and slurry fidelity shift module of the gas hydrates is also examined including pressure balance all the way Test tube road, the pipeline are used to ensure in gas hydrates mixed phase and water that gas hydrates mixed phase to be protected before mixing True migration pipeline is consistent with the pressure of water route interior conduit.Specifically, the pressure balance signal piping is by voltage stabilizing surge tank 117 The migrate cross-connection point in pipeline and water route of outlet e and gas hydrates mixed phase fidelity connect composition, in the connection The 13rd stop valve V-501 is provided with pipeline.Before gas hydrates mixed phase further mixes with water, it is first turned on 11st stop valve V-202 and the 13rd stop valve V-501, make gas hydrates mixed phase fidelity migration pipeline and water route Pressure is consistent, and is then shut off the 11st stop valve V-202 and the 13rd stop valve V-501；Gas hydrates are carried out again Mixed phase mixes with the further of water.
The defeated characteristic test module of gas hydrate slurry body pipe includes circulating pump 121 (using more single-screw (single screw) pumps simultaneously Connection), the defeated loop of vertical tube, the defeated loop of horizontal tube, online particle size measuring instrument, pipeline heater, high pressure transparent visual pipe and multiple Stop valve, regulating valve, temperature indicator, pressure indicator；The defeated loop of gas hydrate slurry body pipe passes through circulating pump 121 (using multiple single-screw (single screw) pumps) is connected with fidelity transfer conduit, and the peaces of exhaust-valve V-604 and first are provided with the top of the vertical pipeline section Full valve V-605, its bottom are provided with three phase separator, and the horizontal pipeline section is connected with pressure regulator 124；Especially, the vertical tube is defeated Loop and the defeated loop of horizontal tube are equipped with online dynamics detector, pipeline heater, high pressure transparent visual pipe, and in the defeated loop of pipe Different parts be provided with temperature indicator, pressure indicator and flowmeter.
Specifically, the defeated loop of the vertical tube is formed by being sequentially connected with lower component：14th stop valve V-603, the 8th Temperature indicator T-601, the 8th pressure indicator P-601, the 9th temperature indicator T-602, the 9th pressure indicator P-602, Exhaust-valve V-604, the first safety valve V-605, the regulating valve CV-606 of the tenth regulating valve CV-606 the tenth, the tenth pressure indicator P- 603rd, the tenth temperature indicator T-603, the 11st pressure indicator P-604, the 11st temperature indicator T-604, the 15th section Only valve V-607, the 5th fluid flowmeter F-602, the 3rd fluid flowmeter F-601, the 11st regulating valve CV-602.
The defeated loop of horizontal tube is formed by being sequentially connected with lower component：11st regulating valve CV-602, the 16th cut-off Valve V-608, the 12nd regulating valve CV-609, the 12nd pressure indicator P-605, the 12nd temperature indicator T-605, the 13rd Pressure indicator P-606, the 13rd temperature indicator T-606, the 14th temperature indicator T-607, the 14th pressure indicator P-607, the 15th temperature indicator T-608, the 15th pressure indicator P-608, the 6th fluid flowmeter F-603, the 17th Stop valve V-610, the 3rd fluid flowmeter F-601.
Preferably, the defeated characteristic test module of gas hydrate slurry body pipe also includes being used to protect vertical tube defeated time all the way Road and the protection pipeline in the defeated loop of horizontal tube, the pipeline are formed by being sequentially connected with lower component：
Circulating pump 121 exports, the 19th pressure indicator P-609, the 13rd regulating valve CV-601, the 11st regulating valve CV-602, the 3rd fluid flowmeter F-601, pressure regulator 124, the entrance of circulating pump 121.
Further, it is also associated with three phase separation on the crosspoint in the defeated loop of the horizontal tube and the defeated loop of vertical tube Device, the 21st stop valve V-611 is provided with the connecting line in the three phase separator Yu the crosspoint.
Data acquisition includes environmental simulation control unit, pressure control unit, flowmeter with monitoring and safety control module Measure unit, breakage parameter control unit, for control, monitor the pressure in experimentation, temperature, broken moment of torsion, grinding depth, Propelling pressure, rotating speed etc., fluid flow (gas, liquid, natural gas hydration in on-line metering gas hydrates experimentation Thing solid mixture), monitor the online particle size measuring instrument of gas hydrates particle size on-line, simulate gas hydrates and open The pipeline heater of ocean temperature graded and the voltage stabilizing for controlling experimental loop pressure constant in rear lifting process is adopted to delay Tank and pressure regulator are rushed, the reactor and voltage stabilizing surge tank keep the experiment in experimentation using the kind of refrigeration cycle of refrigeration unit Temperature is constant, and exhaust-valve V-604 and the first safety valve V-605, the voltage stabilizing buffer unit bottom are provided with the top of the vertical pipeline section Portion is provided with draining valve, and its top is provided with safety valve.
The data acquisition and the output end of monitoring and safety control module include：Resistivity measurement point C, pressure measurement point P, temperature measuring point T, level gauging point L, single-phase, multiphase flowmeter measurement point F, parameter identifier point M；
Wherein, resistivity measurement point C is used for by resistivity come the resistance by measuring gas hydrates in reactor Rate, so as to judge the synthetic effect of ocean gas hydrate to analyze, it is compared and joins according to the resistivity curve of collection Examine, pass through the generating process of curve real-time display hydrate；
The pressure measurement point P is used to measure the pressure on voltage stabilizing surge tank, reactor inside and each pipeline, passes through The measurement result monitors the pressure of whole experimental loop system to do in real time, and guarantee gas hydrates largely quickly prepare and day Experimental loop system pressure is constant in the right multiple dimensioned broken and slurry fidelity migration process of gas hydrate, and passes through reactor Internal pressure drops situation of change and pressure history judge the generation situation of gas hydrates in reactor, balance each other state； And, can be defeated to mixed phase fluid pipe (horizontal, vertical by the measurement of pressure in the defeated experimental loop of gas hydrate slurry body pipe Directly) the fluid flow resistance characteristic in loop is studied；
The temperature measuring point T is used to measure the temperature on voltage stabilizing surge tank, reactor inside and each pipeline, passes through The measurement result largely quickly prepares ensureing gas hydrates and the multiple dimensioned broken and slurry fidelity fortune of gas hydrates Experimental loop system temperature is constant during shifting；And sentenced by reactor internal temperature situation of change and temperature variation curve The generation situation of gas hydrates in disconnected reactor, balance each other state；And pass through the defeated experiment of gas hydrate slurry body pipe The measurement of temperature in loop, monitor after simulated experiment exploitation of gas hydrates ocean temperature graded feelings in lifting process Condition, with reach research exploiting ocean natural gas hydrates after lifting process flowing heat transfer characteristic；
The level gauging point L is used to measure voltage stabilizing surge tank, the height condition of reactor internal liquid, passes through the measurement As a result the how many judgement of hydrate quantity after the water injection rate that is used as in experimentation in reactor and generation hydrate refers to Mark；
Single-phase, the multiphase flowmeter measurement point F is used to measure fluid (gas, the liquid passed through in respective line Body, mixed phase) real-time traffic, and by the measurement result judge to calculate the consumption of natural gas and water, researching natural gas The gas-storing capacity of hydrate；
The parameter identifier point M is for measuring the mixing parametric of agitator in reactor (such as：Rotating speed), breakage parameter (such as：Broken rotating speed, broken moment of torsion, propelling pressure, grinding depth, cracking pressure) spray thrower parameter is (such as：Spray angles, spray Speed, droplet size) and bubbler parameter is (such as：Bubbling rate, bubbling size), and by the measurement result come the data that measure It can be tested accordingly as mixing parametric, breakage parameter, spray thrower parameter, the foundation of bubbler parameter of control fragmentation stirrer It is strong that wherein a certain or certain two method can also be used by the way of Bubbling method, spray process, paddling process three are combined in personnel Change gas hydrates to quickly generate, or by mixing parametric, breakage parameter, spray thrower parameter, bubbler parameter Control, studies the influence that a certain parameter largely quickly prepares speed to natural gas gas hydrate；
1st, hydrate sample preparation
Prepared by 1.1 hydrates prepares
(1) level calibration operation：Capping kettle upper cover, control valve, make the second draining valve V-203, the 6th cut-off Valve V-106, the 18th stop valve V-301, the first draining valve V-210, the 5th stop valve V-112 are closed, and make the 7th Stop valve V-201, the 11st stop valve V-202, the 5th regulating valve CV-204, the 8th stop valve V-205, at exhaust-valve V-111 In opening, start plunger pump 112 and voltage stabilizing surge tank 17 and reactor 115 are emptied and fill water, establish normal water level simultaneously Close the 4th stop valve V-104, the 11st stop valve V-202, the 8th stop valve V-205；
(2) operation is vacuumized：V-101 is closed, simultaneously closes off exhaust-valve V-111, the 7th stop valve V-201 And the second draining valve V-203, other valves is in opening, start vavuum pump 116 and vacuumize, when reaching certain vacuum During degree (being measured by the 7th pressure indicator P-301), the 18th stop valve V-301 is closed, closes vavuum pump 116.Open the One stop valve V-101, gas is filled to experimental loop, the first stop valve V-101 is closed after the completion of filling, is again started up vavuum pump 116 carry out vacuum pumping, are so repeated several times, and reduce air capacity in loop.
(3) gas injection operation：In lanthanum chloride hydrate experimentation, fidelity migration loop is returned with the defeated characteristic test of slurry pipe Road is closed, that is, closes the 13rd stop valve V-501, the 12nd stop valve V-502, the 19th stop valve V-503.Open first section Only valve V-101, the first regulating valve CV-102 control methane gas injection pressure (prevent methane gas HVDC from bringing safety hidden Suffer from), circuit system is full of the natural gas of certain pressure.
(4) water level regulation operation：The 5th stop valve V-112 and the first draining valve V-210 are adjusted, will be reacted by natural gas Kettle water level is forced down to suitable level, closes the first draining valve V-210；Adjust the 3rd stop valve V-103 and the second draining valve V- 203, water level in voltage stabilizing surge tank 117 is forced down to suitable level by natural gas, closes the second draining valve V-203.
(5) moisturizing supercharging operation：When circuit pressure is no longer lifted, the first stop valve V-101 is closed, opens the 7th cut-off Valve V-201, the 11st stop valve V-202, start plunger pump 112, be pressurized to the moisturizing of voltage stabilizing surge tank 117, when voltage stabilizing surge tank 117 reach experimental pressure (by the 3rd pressure indicator P-103 measure) when, close plunger pump 112, close the 7th stop valve V- 201st, the 11st stop valve V-202.
1.2 lanthanum chloride hydrate experimental implementations
(1) refrigeration operation：Start reactor refrigeration unit 123 and carry out water-bath refrigeration, be set as constant hydrate generation Requirement of experiment temperature.
(2) gas cycle operation：Start gas circulator 111, adjust the second regulating valve CV-105 and the 3rd regulating valve CV- 108 or the 4th regulating valve CV-109, i.e., circulated by gas main road and adjusted with bypassing, make the natural gas flow by reactor 115 Amount meets experiment demand, and gas injects from the bottom of reactor 115, is entered in a manner of bubbling in reactor 115, from upper end cover stream Go out to be circulated.
(3) operation is stirred：Start agitator 119, speed setting generates for suitable hydrate, can not destroy hydrate again The requirement of experiment (100~400r/min of stepless speed regulation scope) of aggregation.
(4) operation is sprayed：Start liquid circulating pump 114, regulation the 6th regulating valve CV-206, the 9th regulating valve CV-207 or 8th regulating valve CV-209, is circulated and bypass circuit by liquid main road, makes to meet experiment by the liquid inlet volume of upper end cover nozzle It is required that.
(5) voltage stabilizing operation：The 7th stop valve V-201, the 11st stop valve V-202, the 6th stop valve V-106 are opened, is opened Dynamic plunger pump 112 is pressurized circuit system to the water filling of voltage stabilizing surge tank 117, or opens the 6th stop valve V-106, the second draining valve V-203 drainings are depressured system, and circuit system pressure is by second pressure indicator P-102, the 4th pressure indicator P-104 and Five pressure indicator P-105 are measured, and system pressure is kept stable by being pressurized reduced pressure operation.
(6) flow measurement：Second gas flowmeter F-102, third gas flowmeter F-103 distinguish the disengaging of batching cycle Mouth methane gas integrated flow, the air consumption generated by cumulative measurement value come calculated hydration thing (MaterialBalance Computation method).
(7) resistance measurement operation：4 resistance measuring point C-101 are surrounded by reactor 115, pass through the resistance of measurement Rate judges the synthetic effect of ocean gas hydrate to analyze；It is compared and refers to according to the resistivity curve of collection, leads to Cross the generating process of curve real-time display hydrate.
(8) temperature and pressure measurement operation：The 5th temperature indicator T-105, the 5th pressure indicator are surrounded by reactor 115 P-105, the synthetic effect of ocean gas hydrate is judged to analyze by the temperature-pressure curve of measurement.
(9) operation is terminated：When sample prepared by ocean gas hydrate meets experiment demand, gas circulator is closed 111 (superchargers), the 6th stop valve V-110, the 5th stop valve V-112 are closed, closing liquid circulating pump 114, closes the 9th section Only valve V-212, the tenth stop valve V-211, ocean gas hydrate, which quickly prepares experiment, to be terminated.
(10) transport and terminate up to fidelity before ocean gas hydrate is broken and fidelity is migrated, prepare kettle water-bath system It is cold to operate the steady temperature for keeping preparation process.
2nd, ocean gas hydrate is broken and fidelity migration flow
2.1 loop moisturizing exhausts and precooling
(1) precooling voltage stabilizing surge tank operation：The injection configuration water into voltage stabilizing surge tank 117, and ensure that water injection rate meets pipe Road water consumption, operation voltage stabilizing surge tank refrigeration unit 120, temperature needed for the temperature to experiment of precooling voltage stabilizing surge tank 117；
(2) equipment and instrument and meter Inspection：Close the first stop valve V-101, the 3rd stop valve V-103, the 6th section Only valve V-106, the 11st stop valve V-202, the 8th stop valve V-205, the 18th stop valve V-301, the 13rd stop valve V- 501st, the 19th stop valve V-503, the 20th stop valve V-604, the first safety valve V-605 and the 21st stop valve V-611； Open the 7th stop valve V-201, the 5th regulating valve CV-204, the 12nd stop valve V-502, the 13rd regulating valve CV-601, 11 regulating valve CV-602, the 14th stop valve V-603, the regulating valve CV-606 of the tenth regulating valve CV-606 the 10th the tenth, the tenth Five stop valve V-607, the 16th stop valve V-608, the 12nd regulating valve CV-609 and the 17th stop valve V-610, and confirm In opening；Start plunger pump 112, to circuit system water filling, pressure regulator 124 is adjusted, when the pressure in system reaches one (measured during definite value by the 19th pressure indicator P-609), close plunger pump 112 and the 7th stop valve V-201, the 11st section Only valve V-202, check circuit system pipeline, equipment and instrument and meter whether normal work；
(3) loop moisturizing exhaust and pre-cooling cycle piping operations：Confirm pipeline, equipment and the instrument and meter in circuit system After equal normal work, the 11st stop valve V-202, the 13rd stop valve V-501, exhaust-valve V-604 are opened, starts plunger pump 112, the 7th stop valve V-201 is opened, continues the water filling into circuit system, the air in pipeline is arranged from exhaust-valve V-604 Go out (the top highest point that exhaust-valve V-604 is arranged on cycle cooling plating drum), and pass through exhaust-valve V-604, the first safety valve V- 605 will it is heated after water discharge, pipe temperature is reduced to predetermined value, be then shut off exhaust-valve V-604, the first safety valve V- 605；
(4) voltage stabilizing operation：The 7th stop valve V-201, the 11st stop valve V-202, the 13rd stop valve V-501 are opened, Starting the water filling into voltage stabilizing surge tank 117 of plunger pump 112 is pressurized circuit system, passes through regulation after pressure needed for experiment is reached Second draining valve V-203 keeps pressure stability in circuit system (being measured by the 19th pressure indicator P-609)；
(5) circulating precooling operation：Open liquid circulation pump 114, make cold water in circuit system and voltage stabilizing surge tank 117 in Circulating precooling, and reach temperature needed for experiment, so as to reach the uniform purpose of circuit system precooling.
2.2 ocean gas hydrates are broken and fidelity is migrated
(1) motor is arranged on the inside of reactor 115, and is fixed on the upper cover of reactor 115, motor directly with naturally The breaker (agitator 119) of gas hydrate is connected, and banister brush is provided with gas hydrates breaker；In reactor Broken whipped form be combined using anchor formula and push type, wherein, the present apparatus is realized and stirred using variable-frequency motor, electrodeless speed regulator The rotation of the broken oar of breading, moving up and down for agitating paddle is realized using two-stage hydraulic jack.
(2) crushing operation：Start motor, make gas hydrates breaker high-speed rotation under effect of inertia, The solid hydrate directly generated in reactor is crushed, when solid hydrate be crushed to experiment needed for particle granule size and After concentration range, close motor and stop crushing；
(3) water injection work：Control valve, make the 11st stop valve V-202, the 13rd stop valve V-501, the 12nd cut-off Valve V-502, the 19th stop valve V-503 are closed, and are in the 5th regulating valve CV-204, the 8th stop valve V-205 Opening；Starting plunger pump 112, (in the injecting process, reactor pressure has the liter having very much for water filling into reactor 115 It is high)；(the second fluid level indicator L-102, namely radar level gauge are utilized when the mixture in reactor 115 reaches certain liquid level Read liquid level) when, plunger pump 112 is closed, and close the 7th stop valve V-201, the 5th regulating valve CV-204, the 8th stop valve V- 205；
(4) it is stirred operation：Motor is adjusted, gas hydrates breaker is slowly run, reaches gas water Compound solid particle and the well-mixed purpose of water；
(5) fidelity migration pathway operation is formed：The stop valve V-501 of the shutoff valve family status 13, exhaust-valve V-111, opening valve The stop valve V-103 of the family status three, the 4th stop valve V-104, the 5th stop valve V-112, the 11st stop valve V-202, the 5th regulation Valve CV-204, the 12nd stop valve V-502, the 19th stop valve V-503, connect reactor 115 and buffered with circulating line, voltage stabilizing Tank, well-mixed ocean gas hydrate two-phase fluid dock with the fidelity water route of pipeline precompressed, and it is logical to form fidelity migration Road (because pressure is higher than the pressure of circuit system in reactor, so, gas hydrates two-phase fluid can fill with Free water Divide and mix and be directly entered circuit system)；
(6) fidelity migration loop voltage stabilizing operation：The 19th stop valve V-503 apertures are adjusted, while start circulating pump 121, Ocean gas hydrate two-phase fluid fidelity in circulation loop system is set to migrate, now, precompressed cold water buffers into voltage stabilizing Tank, and the gas on voltage stabilizing surge tank top enters reactor, so as to form constant pressure fidelity migration loop；
(7) metering work：Flowmeter F-501 meterings flow into circulating line slurry amount, the second fluid level indicator L-102 tests Reactor liquid level, calculate be transferred to circulating line hydrate quantity (or by be located at the electric resistance measuring apparatus of reactor surrounding come Judge the transhipment amount of gas hydrates), close the 5th regulating valve CV-204, the after the completion of the conveying of hydrate two phase flow is judged 12 stop valve V-502, the 19th stop valve V-503；
(8) fidelity migration loop pressure regulation operation：The 7th stop valve V-201, the 11st stop valve V-202 are opened, starts post Plug pump 112 is pressurized circuit system to the water filling of voltage stabilizing surge tank 117, or opening the second draining valve V-203 and discharging water is depressured system, To keep circuit system pressure stability (being measured by the 19th pressure indicator P-609)；So far, ocean gas hydrate is protected True migration terminates, and circulating pump operating enters downstream：The defeated characteristic test of ocean gas hydrate slurry pipe.
3rd, the defeated characteristic test of ocean gas hydrate pipe
The defeated Basic circuit flow of 3.1 vertical tubes
(1) the 16th stop valve V-608, the 17th stop valve V-610, the 21st stop valve V-611 are closed, opens the 13 regulating valve CV-601, the 11st regulating valve CV-602, the 14th stop valve V-603, the tenth regulating valve CV-606 the ten the Ten regulating valve CV-606, the 15th stop valve V-607；
(2) Flow-rate adjustment operation：Start circulating pump 121, gas hydrates two-phase fluid is circulated in circuit system； With the use of the 13rd regulating valve CV-601, the 11st regulating valve CV-602 aperture, day of the regulation into the defeated loop of vertical tube Right gas hydrate slurry flow, makes to meet experiment demand by the flow parameter of the two-phase fluid of vertical visible segments；
(3) pressure regulation operation：Pressure regulator 124 is adjusted, circulation line can be made to carry out different pressures section hydrate slurry pipe step by step Defeated characteristic test；
(4) temperature and pressure measurement operation：By observing the 8th pressure indicator P-601, the 9th pressure indicator P-602 and the 8th Temperature indicator T-601, the 9th temperature indicator T-602, the drag characteristic that two-phase fluid can be flowed up in VERTICAL TUBE Studied；
(5) temperature and pressure measurement operation：By observing the tenth pressure indicator P-603, the 11st pressure indicator P-604 and the Ten temperature indicator T-603, the 11st temperature indicator T-604, the resistance that two-phase fluid can be flowed downward in VERTICAL TUBE Characteristic is studied；
(6) on-line grain size measurement operation：(passive ultrasonic wave skill can be used using the online particle size measuring instrument in vertical duct Art, such as：SanQTM) on-line monitoring gas hydrates particle size, to study different gas hydrates particle diameters in the defeated flowing of pipe During flow resistance characteristics；
(7) pipeline heating operation：Lifted after simulating exploitation of gas hydrates using the pipeline heater in vertical duct During ocean temperature graded, to study the flowing heat transfer characteristic after exploiting ocean natural gas hydrates in lifting process；
(8) emergency processing operation：The first safety valve V-605 is provided with the top of vertical pipe, as experiment circulation line peace The complete emergent precautionary measures, ensure the experiment safety of circulation line.
The defeated Basic circuit flow of 3.2 horizontal tubes
(1) the 11st regulating valve CV-602, the 14th stop valve V-603, the 15th stop valve V-607 are closed, opens the 13 regulating valve CV-601, the 16th stop valve V-608, the 12nd regulating valve CV-609, the 17th stop valve V-610；
(2) Flow-rate adjustment operation：Start circulating pump 121, gas hydrates two-phase fluid is circulated in circuit system； It is hydrated with the use of the 13rd regulating valve CV-601, the 12nd regulating valve CV-609 regulation into the natural gas in the defeated loop of horizontal tube Thing slurry flow, make to meet experiment demand by the flow parameter of the two-phase fluid of horizontal viewable section；
(3) pressure regulation operation：By observing the 12nd pressure indicator P-605, the 13rd pressure indicator P-606, the tenth Four pressure indicator P-607 and the 15th pressure indicator P-608, can to two-phase fluid horizontal Bottomhole pressure drag characteristic Studied；
(4) temperature and pressure measurement operation：By observe the 12nd pressure indicator P-605, the 13rd pressure indicator P-606, 14th pressure indicator P-607, the 15th pressure indicator P-608 and the 12nd temperature indicator T-605, the 13rd temperature Indicator T-606, the 14th temperature indicator T-607, the 15th temperature indicator T-608, the viscosity of two-phase fluid can be entered Row test；
(5) on-line grain size measurement operation：(passive ultrasonic wave skill can be used using the online particle size measuring instrument in horizontal pipeline Art, such as：SanQTM) on-line monitoring gas hydrates particle size, to study different gas hydrates particle diameters in the defeated flowing of pipe During flow resistance characteristics；
(6) pipeline heating operation：Lifted after simulating exploitation of gas hydrates using the pipeline heater in horizontal pipeline During ocean temperature graded, to study the flowing heat transfer characteristic after exploiting ocean natural gas hydrates in lifting process.
1st, gas hydrates preparation system strengthens the physical method of gas hydrates generation using Bubbling method, spray The mode that method, paddling process three are combined, wherein a certain or certain two method can also be used and strengthen the quick of gas hydrates Generation；
2nd, the reactor gas phase goes out b and is sequentially connected exhaust-valve V-111, third gas flowmeter F-103, the 5th stop valve V-112, second pressure indicator P-102, second temperature indicator T-102, gas circulator 111, the second regulating valve CV-105, 4th pressure indicator P-104, the 4th temperature indicator T-104, the 3rd regulating valve CV-108, second gas flowmeter F-102, 6th stop valve V-110, gas phase entrance a；The gas circulator 111 that is sequentially connected, the second regulating valve CV-105, the 4th pressure Power indicator P-104, the 4th temperature indicator T-104, the 4th regulating valve CV-109, first gas flowmeter F-101 form gas Body circulation pipeline；And the flow of the natural gas by first gas flowmeter F-101 measure monitors gas circulation line 111, By being used cooperatively for the 4th regulating valve CV-109, to control the gas flow by gas circulator 111, so that gas Circulating pump 111 is in the state of a safe operation；
3rd, the water tank 113 is sequentially connected the 7th stop valve V-201, plunger pump 112, the 5th regulating valve CV-204, the 8th Stop valve V-205, reactor liquid phase entrance c form a pipeline to reactor feed flow；The reactor liquid phase entrance c is successively Connect the 9th stop valve V-212, the 6th regulating valve CV-206, the 6th temperature indicator T-201, the 16th pressure indicator P- 201st, liquid circulation pump 114, the 7th regulating valve CV-208, the 7th temperature indicator T-202, the 17th pressure indicator P-202, Second liquid flowmeter F-202, the 8th regulating valve CV-209, the tenth stop valve V-211, reactor spray thrower 1151 form one Liquid Sprayer Circulation pipeline；The 8th stop valve V-205 by threeway respectively with reactor liquid phase entrance c and the 9th stop valve V-212 connections；
The flow of the liquid of first fluid flowmeter F-201, F-202 measure monitor liquid circulation line；
In order to be further ensured that the safe handling of the liquid circulation pump 114, the present invention is for the liquid circulation pump 114 A liquid circulation line is devised, the circulation line of the liquid circulation pump is：The liquid circulation pump 114 being sequentially connected goes out Mouth, the 7th regulating valve CV-208, the 7th temperature indicator T-202, the 17th pressure indicator P-202, the first fluid flowmeter F-201, the 9th regulating valve CV-207, the 6th temperature indicator T-201, the 16th pressure indicator P-201, liquid circulation pump 114 entrance, the liquid circulation line are used cooperatively by the 9th regulating valve CV-207's, pass through liquid circulation pump with control 114 fluid flow.
4th, the mixing parametric of reactor agitator is (such as：Rotating speed), breakage parameter (such as：Broken rotating speed, broken moment of torsion, promote Pressure, grinding depth, cracking pressure), spray thrower parameter (such as：Spray angles, Spraying rates, droplet size) and bubbler parameter (such as：Bubbling rate) it is controllable；
5th, the preparation for the preparing reactor stirring of gas hydrates crushes oar selection and promotes blade form, and in blade The broken tooth cone of lower section installation, the form of simulated sea bottom mining vehicle, to reach the broken purpose of hydrate；Gas hydrates react Agitator in kettle realizes that stirring crushes the rotation of oar using variable-frequency motor, electrodeless decelerator, and two-stage hydraulic jack realizes stirring Oar moves up and down；
6th, the second fluid level indicator L-102 is provided with the reactor, is made due to testing material in autoclave Dosage, growing amount, the amount that generates hydrate can not realize direct measurement, so from can be with the level gauging of non-contact measurement Meter is (such as：Radar level gauge) measure.
7th, 4 resistance measuring point C-101 are surrounded by reactor, ocean is judged to analyze by the resistivity of measurement The synthetic effect of gas hydrates, it is compared and refers to according to the resistivity curve of collection, passes through curve real-time display water The generating process of compound；Temperature, pressure measuring element are surrounded by reactor, is judged by the temperature-pressure curve of measurement to analyze The synthetic effect of ocean gas hydrate.
8th, the gas air compensation in gas hydrates building-up process is measured by the liquid level gauge L-101 of voltage stabilizing surge tank； The air compensation in the reactor before gas hydrates synthesis is measured by second gas flowmeter F-102；Pass through second liquid The flow of liquid before flowmeter F-202 metering gas hydrates synthesis, can COMPREHENSIVE CALCULATING day according to measured data on flows The gas-storing capacity of right gas hydrate；
9th, by the second draining valve of voltage stabilizing surge tank V-203 draining valve, gas hydrates can be achieved and largely quickly make During standby and in the multiple dimensioned broken and slurry fidelity transfer process of gas hydrates the stabilization of experimental loop system pressure and Regulation；
(1) when gas pressure is too high in experimental gas circulation loop, then need to reduce the pressure in its loop, first need to be closed Stop valve V-101, the stop valve V-301 of the 3rd stop valve V-103 the 18th are opened, and open vavuum pump 116, by voltage stabilizing surge tank Gas slowly in 117 is extracted out, inflation circuit pressure is gradually reduced, when pressure reaches pressure needed for experiment in loop, according to The 18th stop valve V-301 of secondary closing, vavuum pump 116, reach the purpose for reducing gas circulation loop pressure, now, the 7th pressure Power indicator P-301 shows the pressure value of vavuum pump, and the 3rd pressure indicator P-103, the 3rd temperature indicator T-103 are shown surely Press the pressure value and temperature value of surge tank 117；Meanwhile the second safety valve V-107 that the top of voltage stabilizing surge tank 117 opens up plays reality The effect of circuit pressure overload protection during testing；In the case that gas pressure is too high in experimental gas circulation loop, may be used also The second draining valve V-203 that pot bottom is buffered by being opened in voltage stabilizing discharges water excessive in voltage stabilizing surge tank, reaches reduction The purpose of gas circulation loop pressure；
(2) when gas pressure is too low in experimental gas circulation loop, now the pressure of gas cylinder is less than pressure needed for experiment, For the pressure in stabilizing gas circulation loop, the 3rd stop valve V-103, the 11st stop valve V-202, the 7th stop valve need to be opened V-201, plunger pump 112 is then opened, the water in water tank is pumped into voltage stabilizing surge tank 117, using the compressibility of gas by gas Gas compression in body circulation loop, make the amount of liquid that the pressure in loop is pumped into plunger pump 112 gradual increase and by Edge up height；When reaching pressure needed for experiment, the 7th stop valve V-201, the stop valve of plunger pump 112 and the 11st are closed successively V-202, reach the purpose of stabilizing gas circulation loop pressure, now, the 18th pressure indicator P-203 shows the pressure of plunger pump Force value, the 3rd pressure indicator P-103, the 3rd temperature indicator T-103 show the pressure value and temperature of voltage stabilizing surge tank Value；
10th, the refrigeration unit for providing refrigeration in experimentation for reactor and voltage stabilizing surge tank possesses refrigeration, heating Two kinds of functions；
11st, the mixed phase outlet i diameters of reactor are more than pipe diameter, ensure that gas hydrate slurry body fidelity shifts It is unimpeded, and be provided with filter screen 1152 at mixed phase outlet i places, defeated need are migrated and managed to filtering not up to gas hydrate fidelity The gas hydrates solid mass of particle diameter is sought, and carries out second-time breakage, meets that gas hydrate fidelity is transported until reaching Untill moving and managing defeated required particle size, and reach the purpose for preventing blocking pipeline；
12nd, the defeated characteristic test pipeline of gas hydrate slurry body pipe is provided with pressure regulator 124, adjusts gas hydrate slurry body Manage it is defeated during experimental pressure；
13rd, the defeated characteristic test pipeline of gas hydrate slurry body pipe (horizontal pipeline section, vertical pipeline section) is provided with high pressure visable pipe (using transparent quartz glass tube), is additionally provided with online particle size measuring instrument and pipeline heater, is respectively intended to monitor natural gas on-line Hydrate particle size, simulate after exploitation of gas hydrates ocean temperature graded in lifting process；
14th, exhaust-valve V-604 is provided with the top of the vertical pipeline section of the defeated characteristic test pipeline of gas hydrate slurry body pipe, for reality The gas in preparatory stage emptying pipeline before testing, vertical pipeline section top is additionally provided with the first safety valve V-605, for experimentation The emergency processing of middle emergency.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It still may be used To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic； And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and Scope.

Claims (3)

  1. A kind of 1. ocean gas hydrate solid state fluidizing extracting experiment circuit system, it is characterised in that including：Natural gas is hydrated Thing sample largely quickly prepares module, gas hydrates multiple dimensioned broken and slurry fidelity shift module, gas hydrates Slurry pipe defeated characteristic test module, data acquisition and monitoring and 4 modules of safety control module；Wherein,
    The gas hydrates sample, which largely quickly prepares module, to be included：Gas transfer pipeline, liquid transmission pipeline, spray dress Put, bubbling device, agitating device；
    Wherein, the gas transfer pipeline is used to the gas in gas cylinder (118) being delivered in reactor (115)；The pipeline by The outlet of gas cylinder (118) is connected by pipeline with the gas access a of reactor (115) bottom；
    The liquid transmission pipeline is used to the water of water tank (113) being delivered in reactor (115)；The liquid delivery tube route water The outlet of case (113) is connected by pipeline reactor liquid phase entrance c, plunger pump (112) should be provided with connecting pipeline；
    The spray equipment includes：Spray thrower (1151) is provided with the top of reactor, the spray thrower (1151) passes through pipeline Connected with reactor liquid phase entrance c, liquid circulation pump (114) is provided with the pipeline of the connection；
    The bottom that the bubbling device is included in reactor (115) is provided with bubbler (122)；
    The agitating device is provided with agitator (119) in the reactor (115), and the stirring of the agitator (119) crushes Oar is provided with broken tooth cone using propulsion blade form below blade；
    The multiple dimensioned broken and slurry fidelity shift module of the gas hydrates includes：Protected including gas hydrates mixed phase True migration pipeline and water route two parts；Wherein, the gas hydrates mixed phase fidelity migrates pipeline by reactor mixed phase Outlet i is connected by pipeline with the entrance of circulating pump (121)；The water route passes through pipeline and circulating pump (121) by water tank (113) Entrance connection, the two parts by circulating pump (121) further mixing after with the defeated characteristic test of gas hydrate slurry body pipe Module connects；
    The defeated characteristic test module of gas hydrate slurry body pipe includes the defeated loop of vertical tube, the defeated loop of horizontal tube；
    The defeated loop of vertical tube includes the vertical duct set with the outlet of circulating pump (121)；Defeated time of the horizontal tube Road includes the horizontal pipeline set with the outlet of circulating pump (121)；On the defeated loop of the vertical tube, the defeated loop of horizontal tube It is provided with online particle size measuring instrument, pipeline heater and high pressure transparent visual pipe；
    The data acquisition includes computer with monitoring and safety control module, and the resistivity measurement point being connected with computer C, pressure measurement point P, temperature measuring point T, level gauging point L, single-phase, multiphase flowmeter measurement point F, the parameter of electric machine are surveyed Measure point M；
    The spray equipment includes being used for the protection circulation loop for protecting liquid circulation pump (114) all the way, and the protection is recycled back to Road is specifically formed by being sequentially connected with lower component：Liquid circulation pump (114) outlet, the 7th regulating valve (CV-208), the 7th temperature Spend indicator (T-202), the 17th pressure indicator (P-202), the first fluid flowmeter (F-201), the 9th regulating valve (CV- 207), the 6th temperature indicator (T-201), the 16th pressure indicator (P-201), liquid circulation pump (114) entrance；
    The gas transfer pipeline includes being used for unreacted gas in reactor (115) from the gas vent on reactor top B pumped out by gas circulator (111) and circulate the gas access a for being pumped into reactor (115) bottom gas bypassing regulation follow Loop back path；
    The gas bypassing regulation circulation loop is provided with the gas shield circulation loop for being used for protective gas circulating pump all the way, should Gas shield circulation loop is formed by being sequentially connected with lower component：Gas circulator (111) outlet, the second regulating valve (CV- 105), the 4th pressure indicator (P-104), the 4th temperature indicator (T-104), the 4th regulating valve (CV-109), first gas Flowmeter (F-101), second pressure indicator (P-102), second temperature indicator (T-102), gas circulator (111) enter Mouthful；
    The gas hydrates sample largely quickly prepare module include being used for making pressure inside reactor be in it is constant or The voltage stabilizing pipeline that person is under required pressure condition；The voltage-stabiliser tube route bag liquid phase pipeline and the part of gas phase pipeline 2 is formed；
    Wherein, liquid phase pipeline is by water tank (113), plunger pump (112), the liquid phase entrance d of voltage stabilizing surge tank (117) bottom, liquid phase Outlet h, the second draining valve (V-203) are sequentially connected composition by pipeline；
    The gas phase pipeline is by the outlet of gas cylinder (118), gas phase entrance f, the voltage stabilizing surge tank on voltage stabilizing surge tank (117) top (117) gaseous phase outlet g, the gas access a of reactor (115) bottom is sequentially connected composition by pipeline；
    Vavuum pump (116) is also associated with the voltage stabilizing surge tank (117)；
    The gas hydrates mixed phase fidelity migration pipeline also includes the filter screen for being arranged on reactor mixed phase outlet i (1152)；
    The multiple dimensioned broken and slurry fidelity shift module of gas hydrates also includes pressure balance signal piping all the way, the pipeline For ensureing in gas hydrates mixed phase and water before mixing, gas hydrates mixed phase fidelity migration pipeline and water Road interior conduit pressure is consistent；
    The pressure balance signal piping is managed by the outlet e of voltage stabilizing surge tank (117) with the migration of gas hydrates mixed phase fidelity Road connects composition with the cross-connection point in water route.
  2. 2. ocean gas hydrate solid state fluidizing extracting experiment circuit system according to claim 1, it is characterised in that The defeated characteristic test module of gas hydrate slurry body pipe also includes being used to protect the defeated loop of vertical tube and horizontal tube defeated all the way The protection pipeline in loop, the pipeline are formed by being sequentially connected with lower component：
    Circulating pump (121) outlet, the 19th pressure indicator (P-609), the 13rd regulating valve (CV-601), the 11st regulating valve (CV-602), the 3rd fluid flowmeter (F-601), pressure regulator (124), circulating pump (121) entrance.
  3. 3. ocean gas hydrate solid state fluidizing extracting experiment circuit system according to claim 1, it is characterised in that Three phase separator is also associated with the crosspoint in the defeated loop of the horizontal tube and the defeated loop of vertical tube.
CN201610139992.5A 2016-03-11 2016-03-11 A kind of ocean gas hydrate solid state fluidizing extracting experiment circuit system Expired - Fee Related CN105717271B (en)

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